Method for processing black-and-white silver halide photographic

Details Method for processing black-and-white silver halide photographic Method for processing black-and-white silver halide photographic

1993-07-02

1994-03-29

Le, Hoa V.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

430434, 430481, G03C 531

Patent

active

052983722

ABSTRACT:
A method for processing a transmission type black-and-white photographic material using an automatic processor is disclosed, which comprises processing an imagewise exposed silver halide photographic material comprises silver chlorobromide, silver chloroiodide or silver chloroiodobromide grains having a silver chloride content of at least 90 mol % and a mean grain size of 0.1 to 0.4 .mu.m or silver chloride grains having a mean grain size of 0.1 to 0.4 .mu.m; the processing comprises developing in a developing bath and fixing in a fixing bath and the developing bath contains sodium ion in an amount comprising at least 70 mol % of the entire cation content of the developing bath; the developing bath and the fixing bath are each replenished in an amount of not more than 150 ml per m.sup.2 of the silver halide photographic material processed; and the processing is carried out in an automatic processor.

REFERENCES:
patent: 4391900 (1983-07-01), Toyoda et al.
patent: 5194367 (1993-03-01), Yamada et al.

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